[Bug 279869] New: plasma crushes on removal of modem

jack johnbgm at yahoo.com
Thu Aug 11 08:52:23 BST 2011 

https://bugs.kde.org/show_bug.cgi?id=279869

           Summary: plasma crushes on removal of modem
           Product: kdelibs
           Version: unspecified
          Platform: Ubuntu Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: kded
        AssignedTo: unassigned-bugs at kde.org
        ReportedBy: johnbgm at yahoo.com


Application: kded4 ($Id$)
KDE Platform Version: 4.7.00 (4.7.0)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-10-generic i686
Distribution: Ubuntu 11.04

-- Information about the crash:
- What I was doing when the application crashed: using rekonq and playing music
with amarok..it seems to crush indepent of the applications running. as long as
you pluu out the modem

- Unusual behavior I noticed: task bar vanishes,  blaack screen appears atimes
briefly

i tried reporting this bag manually before backtrace as bug 279865

-- Backtrace:
Application: KDE Dæmon (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb78c0710 (LWP 1674))]

Thread 2 (Thread 0xb567ab70 (LWP 1742)):
#0  0x00823610 in __i686.get_pc_thunk.bx () from
/lib/i386-linux-gnu/libpthread.so.0
#1  0x00828779 in __pthread_mutex_unlock_usercnt () from
/lib/i386-linux-gnu/libpthread.so.0
#2  0x07952656 in pthread_mutex_unlock () from /lib/i386-linux-gnu/libc.so.6
#3  0x0551afc2 in g_main_context_prepare () from
/lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x0551be63 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x0551c524 in g_main_context_iteration () from
/lib/i386-linux-gnu/libglib-2.0.so.0
#6  0x0050e577 in QEventDispatcherGlib::processEvents (this=0x8e75460,
flags=...) at kernel/qeventdispatcher_glib.cpp:424
#7  0x004e0289 in QEventLoop::processEvents (this=0xb567a290, flags=...) at
kernel/qeventloop.cpp:149
#8  0x004e0522 in QEventLoop::exec (this=0xb567a290, flags=...) at
kernel/qeventloop.cpp:201
#9  0x003ea2a0 in QThread::exec (this=0x8e05360) at thread/qthread.cpp:492
#10 0x004c1fdb in QInotifyFileSystemWatcherEngine::run (this=0x8e05360) at
io/qfilesystemwatcher_inotify.cpp:248
#11 0x003ecda2 in QThreadPrivate::start (arg=0x8e05360) at
thread/qthread_unix.cpp:320
#12 0x00824e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#13 0x0794473e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb78c0710 (LWP 1674)):
[KCrash Handler]
#7  0x02d90270 in vtable for Solid::NetworkInterfacePrivate () from
/usr/lib/libsolid.so.4
#8  0x03084e1b in ConnectionList::updateConnection (this=0x8e71cd0,
connection=0x8e90138) at ../../../libs/service/connectionlist.cpp:116
#9  0x03093821 in ConnectionUsageMonitor::handleActivationStateChange
(this=0x8e5c9b0, state=Knm::InterfaceConnection::Activated) at
../../../libs/service/connectionusagemonitor.cpp:114
#10 0x03083989 in ConnectionUsageMonitor::qt_metacall (this=0x8e5c9b0,
_c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0xbf8373a8) at
moc_connectionusagemonitor.cpp:79
#11 0x004e76ba in QMetaObject::metacall (object=0x8e5c9b0,
cl=QMetaObject::InvokeMetaMethod, idx=4, argv=0xbf8373a8) at
kernel/qmetaobject.cpp:237
#12 0x004f74ff in QMetaObject::activate (sender=0x8f19078, m=0x8354110,
local_signal_index=0, argv=0xbf8373a8) at kernel/qobject.cpp:3287
#13 0x08327e63 in Knm::InterfaceConnection::activationStateChanged
(this=0x8f19078, _t1=Knm::InterfaceConnection::Activated) at
moc_interfaceconnection.cpp:133
#14 0x08345491 in Knm::InterfaceConnection::setActivationState (this=0x8f19078,
state=Knm::InterfaceConnection::Activated) at
../../../libs/internals/interfaceconnection.cpp:84
#15 0x02de07ee in NMDBusActiveConnectionProxy::handlePropertiesChanged
(this=0x8f18fc0, changedProps=...) at
../../../backends/NetworkManager/nmdbusactiveconnectionmonitor.cpp:76
#16 0x02da4e9b in NMDBusActiveConnectionProxy::qt_metacall (this=0x8f18fc0,
_c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0xbf837548) at
moc_nmdbusactiveconnectionmonitor.cpp:138
#17 0x004e76ba in QMetaObject::metacall (object=0x8f18fc0,
cl=QMetaObject::InvokeMetaMethod, idx=4, argv=0xbf837548) at
kernel/qmetaobject.cpp:237
#18 0x004f74ff in QMetaObject::activate (sender=0x8df4c28, m=0x2df1630,
local_signal_index=0, argv=0xbf837548) at kernel/qobject.cpp:3287
#19 0x02da56a3 in
OrgFreedesktopNetworkManagerConnectionActiveInterface::PropertiesChanged
(this=0x8df4c28, _t1=...) at moc_nm-active-connectioninterface.cpp:129
#20 0x02da66f0 in
OrgFreedesktopNetworkManagerConnectionActiveInterface::qt_metacall
(this=0x8df4c28, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0xbf8376fc) at
moc_nm-active-connectioninterface.cpp:87
#21 0x080f5acd in QDBusConnectionPrivate::deliverCall (this=0x8e1b278,
object=0x8df4c28, msg=..., metaTypes=..., slotIdx=5) at qdbusintegrator.cpp:942
#22 0x081001d7 in QDBusCallDeliveryEvent::placeMetaCall (this=0x8e94f58,
object=0x8df4c28) at qdbusintegrator_p.h:103
#23 0x004f63b7 in QObject::event (this=0x8df4c28, e=0x8e94f58) at
kernel/qobject.cpp:1226
#24 0x0110ed24 in QApplicationPrivate::notify_helper (this=0x8d3bbc8,
receiver=0x8df4c28, e=0x8e94f58) at kernel/qapplication.cpp:4462
#25 0x011138ce in QApplication::notify (this=0xbf837f80, receiver=0x8df4c28,
e=0x8e94f58) at kernel/qapplication.cpp:3862
#26 0x00e0a93a in KApplication::notify (this=0xbf837f80, receiver=0x8df4c28,
event=0x8e94f58) at ../../kdeui/kernel/kapplication.cpp:311
#27 0x004e10bb in QCoreApplication::notifyInternal (this=0xbf837f80,
receiver=0x8df4c28, event=0x8e94f58) at kernel/qcoreapplication.cpp:731
#28 0x004e4c79 in sendEvent (receiver=0x0, event_type=0, data=0x8cbb6d8) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#29 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0,
data=0x8cbb6d8) at kernel/qcoreapplication.cpp:1372
#30 0x004e4e0d in QCoreApplication::sendPostedEvents (receiver=0x0,
event_type=0) at kernel/qcoreapplication.cpp:1265
#31 0x0050e3c4 in sendPostedEvents (s=0x8d3ded0) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#32 postEventSourceDispatch (s=0x8d3ded0) at
kernel/qeventdispatcher_glib.cpp:277
#33 0x0551baa8 in g_main_context_dispatch () from
/lib/i386-linux-gnu/libglib-2.0.so.0
#34 0x0551c270 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#35 0x0551c524 in g_main_context_iteration () from
/lib/i386-linux-gnu/libglib-2.0.so.0
#36 0x0050e53c in QEventDispatcherGlib::processEvents (this=0x8cbc1e0,
flags=...) at kernel/qeventdispatcher_glib.cpp:422
#37 0x011c51e5 in QGuiEventDispatcherGlib::processEvents (this=0x8cbc1e0,
flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#38 0x004e0289 in QEventLoop::processEvents (this=0xbf837ee4, flags=...) at
kernel/qeventloop.cpp:149
#39 0x004e0522 in QEventLoop::exec (this=0xbf837ee4, flags=...) at
kernel/qeventloop.cpp:201
#40 0x004e4ecc in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#41 0x0110c8e7 in QApplication::exec () at kernel/qapplication.cpp:3736
#42 0x025c0d30 in kdemain (argc=1, argv=0x8d25f48) at ../../kded/kded.cpp:924
#43 0x0804dd2f in launch (argc=1, _name=0x8052388 "kded4", args=<value
optimized out>, cwd=0x0, envc=0, envs=<value optimized out>, reset_env=false,
tty=0x0, avoid_loops=false, startup_id_str=0x805220e "0") at
../../kinit/kinit.cpp:746
#44 0x080509dc in main (argc=0, argv=0x0, envp=0x8f00e48) at
../../kinit/kinit.cpp:1861

Reported using DrKonqi

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